Greetings from Com2uS.

[UPGRADE MATERIAL PACKAGE] will be available for purchase in the game.

Please read below for more info.

■ Upgrade Material Package Details

- Sale Period: Sep. 15th 1:00 AM - Sep. 18th 12:59 AM [EDT]

<Product Location>

- Bottom right of the main menu > Stadium Shop > Progression tab

Thank you.